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Alaska, Tundra - Food Web

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by emmalohmann
Last updated 1 year ago

Discipline:
Science
Subject:
Ecology
Grade:
9,10

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Alaska - TundraFood Web

General CharacteristicsThe plants shown at the bottom of the food web are also known as producers. They gain their energy from the Sun. The next level is all of the primary consumers: Lemming, Caribou, and the Arctic Hare. The level about the primary consumers is the seconday consumers. These are the Ermine and the Rock Ptarmigan. The next level are the tertiary consumers. These are the Arctic Fox and the Red Fox which is also the invasive species. Lastly, there is the quaternary level that consists of the Arctic Wolf, the Polar Bear, and the Snowy Owl.

Interestings FactsThe Red Fox has been able to live in some Tundra areas because of climate change. The temperatures are becoming more sustainable for the Red Fox and so the species hunts the same prey as the Arctic Fox, which has become an issue in the food web.

FeaturesIn the Tundra biome, the Arctic Hare is the Keystone Species because it is the prey of every species above it. Also, its feces fertilizes vegetation. The indicator species is the Caribou. If the population of the Caribou changes drastically, then scientists know that something is either wrong with the vegetation or the pretitor's population.

r and k strategistsR-strategists are the smaller animals that have a shorter life span than the k-strategists. In the Tundra biome, some of the r-strategists are the Arctic Hare, the Lemming, tundra plants, and mice.K- strategists live longer and don't mature as fast. They are larger species that don't reproduce as much. Some examples from the tundra biome are the Arctic Wolf, Caribou, and the Polar Bear.

Lemming

Caribou

Tundra FoodWeb

Arctic Willow

Bearberry

Caribou Moss

Grasses

Arctic Hare

Snowy Owl

Arctic Fox

Arctic Wolf

Polar Bear

Red Fox

Ermine

Rock Ptarmigan


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